Can vaping damage your lungs? What we do (and don't) know Harvard Health Vaping: The Good, the Bad and the Popcorn Lung MPH Online What science says about vaping risks The Examination What Does Vaping Do to Your Lungs? Johns Hopkins Medicine About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking